Dr. Greenleaf is currently professor of biophysics and associate professor of medicine at Mayo Medical School, and consultant in the Departments of Physiology, Biophysics, and Cardiovascular Disease and Medicine, Mayo Foundation. Dr. Greenleaf received his BS degree from the University of Utah and MS degree from Purdue University. He received his PhD degree in engineering science from the Mayo Graduate School of Medicine, Rochester, MN, and Purdue University.

Dr. Greenleaf�s special field of interest is ultrasonic biomedical imaging science; he has published more than 234 articles and edited five books in the field. Dr. Greenleaf has six patents and is recipient of the 1986 J. Holmes Pioneer award and the William Frye award from the American Institute of Ultrasound in Medicine.